| Sg | Pl | Part-Pl | Dual | |
| Nom | istar | istari (rule) | istalli (rule) | istaru (rule) |
| Gen | istaro (rule) | istarion (rule) | istallion (rule) | istaruo (rule) |
| Dat | istaren (rule) | istarin (rule) | istallin (rule) | istarun (rule) |
| Poss | istarwa (rule) | istaríva (rule) | istalliva (rule) | istarúva (rule) |
| All | istarenna (rule) | istarinnar (rule) | istallinna (rule) | istallinnar (rule) | istarunna (rule) |
| Abl | istarello (rule) | istarillon (rule) | istarillor (rule) | istallillon (rule) | istarullo (rule) |
| Loc | istaresse (rule) | istarissen (rule) | istallisse (rule) | istarusse (rule) |
| Ins | istarmen (rule) | istarínen (rule) | istallinen (rule) | istarunen (rule) |
| Singular | Plural | Dual | |
| 1st Person Exclusive | istarinya (rule) | istarelma (rule) | |
| 1st Person Inclusive | istarelva (rule) | ||
| 2nd Person Formal | istarelya (rule) | istarelda (rule) | istarsta (rule) |
| 2nd Person Familiar | istaritya (rule) | ||
| 3rd Person | istarya (rule) |